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2921342671 = 13224718667
BaseRepresentation
bin1010111000100000…
…0010011011001111
321112121000120202201
42232020002123033
521440330431141
61201514302331
7132252001012
oct25610023317
97477016681
102921342671
11126a026a95
126964279a7
13377304340
141d9dad379
15121708031
hexae2026cf

2921342671 has 4 divisors (see below), whose sum is σ = 3146061352. Its totient is φ = 2696623992.

The previous prime is 2921342651. The next prime is 2921342693. The reversal of 2921342671 is 1762431292.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2921342671 - 211 = 2921340623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2921342671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921342651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112359321 + ... + 112359346.

It is an arithmetic number, because the mean of its divisors is an integer number (786515338).

Almost surely, 22921342671 is an apocalyptic number.

2921342671 is a deficient number, since it is larger than the sum of its proper divisors (224718681).

2921342671 is a wasteful number, since it uses less digits than its factorization.

2921342671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224718680.

The product of its digits is 36288, while the sum is 37.

The square root of 2921342671 is about 54049.4465374068. The cubic root of 2921342671 is about 1429.5329413443.

The spelling of 2921342671 in words is "two billion, nine hundred twenty-one million, three hundred forty-two thousand, six hundred seventy-one".

Divisors: 1 13 224718667 2921342671